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Question

If xi = i / 5 + 2, where i = 1, 2,..., 5, then the mean of x1, x2, ..., x5 is:

This question was previously asked in
SSC CGL 2023 (Tier-II) Paper 1 Previous Year Paper (26-Oct-2023) (Shift-1)
The correct answer is

2.6

The values of x1, x2, ..., x5 are: 2.2, 2.4, 2.6, 2.8, and 3. The mean is (2.2 + 2.4 + 2.6 + 2.8 + 3) / 5 = 2.6.

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Similar Questions

  1. The ______ is an unbiased estimator of the population mean.


Important Questions from Statistical estimation

  1. The Contingency table in statistics is one:

  2. In a random sample of $x=16$, the mean ($\bar{x}$) is 40, and the standard deviation (sd) is 4.0. The 95% confidence interval ($Z=1.96$) for the mean is :
  3. The ______ is an unbiased estimator of the population mean.

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